.btn {
  border-radius: var(--si-radius);
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease,
    color 0.25s ease;
}

.btn:focus-visible {
  outline: 3px solid rgba(0,0,0,0.15);
  outline-offset: 2px;
}